Strange Games on the Beach

At this time of the year Strange Games receives many e-mails like the following: "Montegue, my family are all ready for a beach holiday, we have got wind-shields so that we don't have to gaze upon our beach neighbours, sunscreen in case the sun comes out and garishly coloured Crocs for everyone's feet...but what strange beach games can we play?"The answer I give is that if you want to avoid the